12000122020001 has 4 divisors (see below), whose sum is σ = 12020358314052. Its totient is φ = 11979885725952.

The previous prime is 12000122019997. The next prime is 12000122020027. The reversal of 12000122020001 is 10002022100021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8084468622400 + 3915653397601 = 2843320^2 + 1978801^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000122020001 - 2² = 12000122019997 is a prime.

It is a super-3 number, since 3×12000122020001³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000122020501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10118146136 + ... + 10118147321.

It is an arithmetic number, because the mean of its divisors is an integer number (3005089578513).

Almost surely, 2^{12000122020001} is an apocalyptic number.

It is an amenable number.

12000122020001 is a deficient number, since it is larger than the sum of its proper divisors (20236294051).

12000122020001 is an equidigital number, since it uses as much as digits as its factorization.

12000122020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20236294050.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000122020001 its reverse (10002022100021), we get a palindrome (22002144120022).

The spelling of 12000122020001 in words is "twelve trillion, one hundred twenty-two million, twenty thousand, one".